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試験の準備方法-権威のある1Z0-931-25関連資格知識試験-一番優秀な1Z0-931-25赤本勉強

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Oracle 1Z0-931-25 認定試験の出題範囲：

トピック
出題範囲

トピック 1

Autonomous Database Dedicated：このセクションでは、ITアーキテクトのスキルを評価し、Autonomous Database DedicatedとAutonomous Database Cloud@Customerのワークフローと機能を学習します。専用リソースのプロビジョニング、OCIポリシーの設定、インフラストラクチャの監視、パッチ適用などのメンテナンスタスクのスケジュール設定、セキュリティ強化のための暗号化キーの管理などが含まれます。ITアーキテクトは、専用データベース環境をクラウド戦略に統合する方法を習得します。

トピック 2

Autonomous Databaseへの移行：このセクションでは、クラウド移行スペシャリストのスキルを評価し、既存のデータベースをAutonomous Databaseに移行するための戦略を網羅します。移行に関する考慮事項と利用可能なオプションの理解、そしてOracle Data Pumpを使用してダウンタイムを最小限に抑えながらシームレスにデータを転送し、Oracle Cloudインフラストラクチャへのスムーズな移行を実現する方法などが含まれます。

トピック 3

Autonomous Database を使用したデータレイク分析：このセクションでは、ビッグデータエンジニアのスキルを評価し、データレイク環境における分析に Autonomous Database をどのように活用できるかを探ります。データの取り込み、クエリの最適化、クラウドネイティブ分析サービスの活用など、エンジニアが大量の構造化データと非構造化データを効率的に処理・分析できるようにします。

トピック 4

Autonomous Databaseの管理と保守：このセクションでは、データベース管理者のスキルを評価し、Autonomous Databaseインスタンスの継続的な管理と保守に焦点を当てます。REST APIとOCI CLIを使用した自動化、アクセス制御リストとプライベートエンドポイントの設定、パフォーマンスの監視、通知の設定、自動インデックス作成やデータセーフなどの機能の活用、ウォレットとサービスハンドルを介した接続の管理、そしてData Guardを使用した災害復旧の設定による事業継続性の確保などが含まれます。

トピック 5

Autonomous Database での開発：このセクションでは、アプリケーション開発者のスキルを測定し、Autonomous Database を使用したアプリケーションの開発と拡張に焦点を当てます。自然言語クエリのための生成AI、Autonomous JSON Database、ドキュメント検索のためのOracle Text、Autonomous Spatial を使用した位置情報に基づく分析、データ関係性のためのAutonomous Graph、そしてオブジェクトストレージとの統合といった分野を網羅し、開発者がインテリジェントでスケーラブルなアプリケーションを構築できるようにします。

>> 1Z0-931-25関連資格知識 <<

1Z0-931-25資格試験、1Z0-931-25練習問題、1Z0-931-25過去問、Oracle Autonomous Database Cloud 2025 Professional問題と解答

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Oracle Autonomous Database Cloud 2025 Professional 認定 1Z0-931-25 試験問題 (Q108-Q113):

質問 # 108
To whom, and in which order, are dedicated Exadata Infrastructure resources provisioned?

A. Fleet Administrator, Autonomous Exadata Infrastructure -> Autonomous Container DB -> Database Administrator -> Autonomous DB
B. Database Administrator, Autonomous Exadata Infrastructure -> Fleet Administrator -> Autonomous Container DB -> Autonomous DB
C. Database Administrator, Autonomous Container DB -> Autonomous DB -> Fleet Administrator -> Autonomous Exadata Infrastructure
D. Fleet Administrator, Autonomous Exadata Infrastructure -> Database Administrator -> Autonomous Container DB -> Autonomous DB

正解：A

解説：
Provisioning dedicated Exadata Infrastructure resources for Autonomous Database follows a specific hierarchical order:
Fleet Administrator, Autonomous Exadata Infrastructure -> Autonomous Container DB -> Database Administrator -> Autonomous DB (A):
Fleet Administrator provisions Autonomous Exadata Infrastructure: The Fleet Administrator, responsible for infrastructure management, first sets up the Autonomous Exadata Infrastructure (AEI), which includes the physical Exadata hardware and networking configuration.
Fleet Administrator provisions Autonomous Container DB (ACD): Within the AEI, the Fleet Administrator creates the ACD, a container that hosts multiple Autonomous Databases.
Database Administrator provisions Autonomous DB: Finally, the Database Administrator (DBA) provisions individual Autonomous Databases within the ACD, configuring them for specific workloads (e.g., ATP or ADW).
The incorrect options are:
B: The Database Administrator cannot provision the ACD before the AEI is set up by the Fleet Administrator.
C and D: The Database Administrator does not provision the AEI or ACD; these are infrastructure-level tasks handled by the Fleet Administrator.
This order ensures proper separation of infrastructure and database management responsibilities.

質問 # 109
While creating an Autonomous Container Database on dedicated infrastructure through the Oracle Cloud Infrastructure (OCI) console, which patch type is offered to be applied during maintenance?

A. Release Update (RU)
B. Prior Release Update Revision (PRUR)
C. Quarterly Bundle Patch (QBP)
D. Prior Release Update (PRU)

正解：A

解説：
When creating an Autonomous Container Database (ACD) on dedicated infrastructure, Oracle offers specific patch types for maintenance. The correct answer is:
Release Update (RU) (D): During the creation of an ACD via the OCI console, users can choose to apply a Release Update (RU), which includes the latest security patches, bug fixes, and enhancements for the database version. RUs are the standard patching mechanism for Autonomous Databases on dedicated infrastructure, ensuring the system stays current.
The incorrect options are:
Quarterly Bundle Patch (QBP) (A): QBPs are not a recognized patch type for Autonomous Databases; they are more associated with on-premises Oracle deployments, not the cloud-native Autonomous infrastructure.
Prior Release Update Revision (PRUR) (B): PRURs are minor updates to prior releases, but they are not offered as a distinct option during ACD creation; Oracle focuses on RUs for consistency.
Prior Release Update (PRU) (C): PRUs refer to updates from previous major releases, but Autonomous Databases typically apply the latest RU, not prior ones, during provisioning or maintenance.
RUs align with Oracle's strategy for maintaining Autonomous Databases.

質問 # 110
Which workload type does the Autonomous Database on dedicated infrastructure service currently support?

A. Autonomous Transaction Processing only
B. Hybrid Columnar Compression
C. ATP and ADW
D. Autonomous Data Warehouse only

正解：C

解説：
Autonomous Database on dedicated infrastructure supports multiple workload types. The correct answer is:
ATP and ADW (C): Autonomous Database on dedicated infrastructure supports both Autonomous Transaction Processing (ATP) for OLTP workloads (high concurrency, low latency) and Autonomous Data Warehouse (ADW) for analytical workloads (high throughput, complex queries). This dual support allows flexibility within a single dedicated Exadata infrastructure.
The incorrect options are:
Autonomous Transaction Processing only (A): Incorrect, as ADW is also supported.
Hybrid Columnar Compression (B): HCC is a data compression feature, not a workload type; it's used within ADW but doesn't define the workload.
Autonomous Data Warehouse only (D): Incorrect, as ATP is also supported.
This versatility is a key feature of dedicated deployments.

質問 # 111
Which two are correct actions to take in order to download the Autonomous Database Credentials? (Choose two.)

A. Click on the Object Storage and find your Autonomous bucket and download the wallet credentials
B. Click on the Autonomous Database in the menu, click a database name, then choose DB Connection button, then download the wallet
C. Click the compute section of the menu, then choose instance configurations, then download wallet
D. Find the service console for your Autonomous Database, then pick administration, then download the credential wallet

正解：B、D

解説：
Downloading Autonomous Database credentials (client wallet) is necessary for secure connections. The two correct actions are:
Find the service console for your Autonomous Database, then pick administration, then download the credential wallet (B): In the OCI console, navigate to the Autonomous Database service console (e.g., via the "Database" section). Select your ADB instance, go to the "Administration" tab, and click "Download Client Credentials (Wallet)." You'll set a password and download a ZIP file containing files like tnsnames.ora and certificates. This method is straightforward for DBAs managing the instance directly from its service page.
Click on the Autonomous Database in the menu, click a database name, then choose DB Connection button, then download the wallet (D): From the OCI console's main navigation, go to "Autonomous Database," select your database by name, and click the "DB Connection" button on the details page. Then, select "Download Wallet," provide a password, and download the ZIP file. This is a common path for users accessing connectivity details directly from the database overview.
The incorrect options are:
Click the compute section of the menu, then choose instance configurations, then download wallet (A): The "Compute" section is for virtual machines, not databases. Credentials are tied to the ADB service, not compute instances.
Click on the Object Storage and find your Autonomous bucket and download the wallet credentials (C): Object Storage holds user data or backups, not the wallet credentials, which are generated and downloaded from the ADB service interface.
Both B and D provide secure access to the wallet for tools like SQL Developer.

質問 # 112
How do you change the tablespace quota for user MTHEO on an Autonomous Database on Shared Infrastructure?

A. Execute ALTER USER MTHEO QUOTA UNLIMITED ON TABLESPACE DATA;
B. Execute ALTER TABLESPACE DATA SET QUOTA = 10G;
C. Execute ALTER DATABASE FOR USER MTHEO TABLESPACE DATA QUOTA = 10G;
D. Execute DBMS_CLOUD_ADMIN.GRANT_TABLESPACE_QUOTA(username => 'MTHEO', tablespace_quota => 'UNLIMITED');

正解：A

解説：
Full Detailed In-Depth Explanation:
In Autonomous Database on Shared Infrastructure, tablespace quotas are managed using standard SQL commands, as administrative packages like DBMS_CLOUD_ADMIN are restricted in this environment. The correct method is:
ALTER USER MTHEO QUOTA UNLIMITED ON TABLESPACE DATA: This command directly modifies the user's quota on the DATA tablespace, which is the default tablespace in Autonomous Database. "UNLIMITED" removes any storage restrictions.
Analysis of options:
A: Incorrect. DBMS_CLOUD_ADMIN is used in dedicated infrastructure for advanced administrative tasks, not shared infrastructure for quota changes.
B: Correct. This is the standard SQL syntax supported in shared infrastructure.
C: Incorrect. ALTER TABLESPACE modifies tablespace properties, not user quotas, and isn't applicable here.
D: Incorrect. ALTER DATABASE syntax is invalid for user quotas; it's for database-wide settings.

質問 # 113
......

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